EP0654374B1 - Tie-down device in the side walls of a lorry - Google Patents

Description

The invention relates to a device in body walls of trucks, in particular in plywood panels, which has a plurality of lashing pots spaced one above the other in horizontal rows with a central rod in each lashing pot and the lashing pots in recesses in the body wall at least almost flush with the wall surface inserted from the inside of the body and fixed in position.

Such a built-up device has become known from DE-A-26 37 499, in which the lashing pots are designed as circular cylindrical pots and have been fixed by means of a thread in a blind hole in the body wall.

On the one hand, the execution of the lashing pot with thread and the creation of the blind hole is cumbersome and complex, and this thread connection can easily tear out of the superstructure wall with stronger lashing forces, so that the lashing pots are not securely fixed in the wall.

Furthermore, a circular cylindrical lashing pot is disclosed in this patent application, which has an externally projecting flange at its bottom and is inserted into a through hole in the wall.

The connection between the pot and the wall should be made using an adhesive.

However, the cylindrical design of the bore and lashing pot results in an inadequate adhesive surface, so that the adhesive connection should not be sufficient under the action of force.

Carrying (threading and pulling out) the lashing strap is difficult due to the cylindrical cup shape.

Furthermore, the manufacture of the cylindrical lashing pots with thread or with a base flange is relatively complex and expensive.

The object of the invention is to equip a lashing device constructed in accordance with the type mentioned at the beginning with lashing pots which can be securely and inexpensively manufactured in recesses in the body wall, preferably plywood panel, with enlarged connecting surfaces and which allow the lashing straps to be carried out comfortably (in and out).

This object is achieved by the characterizing features of claim 1; the subsequent subclaims contain design features which represent advantageous and beneficial further developments of the task solution.

The preparation device according to the invention is equipped with specially designed and fixable lashing pots, which advantageously have a frustoconical pot shape and are fixed in a corresponding frustoconical milling of the plywood plate by means of adhesive.

Due to the frustoconical design of the pot and the milling, the pot has an enlarged connection area with the plywood plate and in particular with its layers; Furthermore, this lashing pot is inserted under pressure into the cutout, so that a secure and stable connection between the pot and the plywood plate is created by the adhesive.

The lashing pot can be made in a simple and inexpensive manner from metal by deep drawing due to its frustoconical shape, but it can also be inexpensively manufactured in one piece from die-cast aluminum or zinc or plastic.

Thanks to the truncated cone-shaped jacket, the lashing pot has been provided with convenient entry and exit surfaces for the lashing straps, which can then be conveniently inserted, passed in and out under the central bar.

Another advantage is the central rod with the bent length ends, which enclose a right angle with the conical jacket of the lashing pot, so that there are no sharp edges in these joint areas and the straps can be guided through the lashing pots without damage.

Fig. 1

eine Vorderansicht einer Aufbautenwand mit darin in Reihen festgelegten Zurrtöpfen,

Fig. 2

einem Querschnitt durch einen kegelstumpfförmigen Zurrtopf mit endseitig abgebogenen Längenenden des Stabes, gemäß Schnittlinie I-I in Fig. 3,

Fig. 3

eine Draufsicht auf den Zurrtopf mit auf seinem Flansch vorgesehenen Einbaumarkierungen,

Fig. 4

einen Querschnitt durch den kegelstumpfförmigen Zurrtopf mit auf seiner gesamten Länge geraden Stab und in die Aufbautenwand in zwei eingesetzten Ausführungen,

Fig. 5

einen vergrößerten Ausschnitt durch den Flansch des Zurrtopfes und der Aufbautenwand mit den zusammenwirkenden Einbaumarkierungen.

In the drawings, an embodiment is shown in variation, which is explained in more detail below. It shows:

Fig. 1

a front view of a superstructure wall with lashing pots fixed therein in rows,

Fig. 2

3 shows a cross section through a truncated cone-shaped lashing pot with bent end ends of the rod, according to section line II in FIG. 3,

Fig. 3

a plan view of the lashing pot with installation markings provided on its flange,

Fig. 4

a cross section through the frustoconical lashing pot with straight rod along its entire length and into the body wall in two versions used,

Fig. 5

an enlarged section through the flange of the lashing pot and the body wall with the interacting installation markings.

The device in the superstructure walls (1) of lorries, in particular in plywood panels, has a plurality of lashing pots (2) spaced one above the other in horizontal rows with a central rod (3) lying in each lashing pot (2); these lashing pots (2) are inserted in the recesses (4) of the superstructure wall (1) at least almost flush with the wall surface (1a) from the inside of the superstructure and are fixed in position.

Each lashing pot (2) has a frustoconical shape that tapers towards the bottom of the pot (5) and shows on the open side of the pot has an outer circumferential flange (6) running parallel to the pot base (5).

Each lashing pot (2) is inserted in a truncated cone-shaped cutout (4) with at least its pot casing (7) and pot base (5) and is fixed in the cutout (4) by an adhesive (K).

The pot jacket (7) of the lashing pot (2) stands at the bottom of the pot (5) under a pointed diaper (α) of preferably approximately 60 °.

The rod (3) according to FIG. 4 is rectilinear along its entire length and abuts with its two length ends against the inside (7a) of the pot casing (7).

The straight rod (3) according to FIG. 2 has two bent length ends (3a) which abut against the inside (7a) of the pot casing (7) and form an at least almost right angle (β) with the pot casing (7).

The straight (or bent on both sides) rod (3) is designed as a round rod and runs with its outer longitudinal edge (3b) flush with the flange outside (6a) so that the pot (2) with rod (3) has a flush open pot side.

The lashing pot (2) is preferably deep-drawn in one piece from metal and the ends of the rod (3) are fastened to the inside (7a) of the pot shell (7) by welding (8).

It is further preferred to manufacture the lashing pot (2) with rod (3) in one piece from die-cast aluminum or zinc or from plastic.

On the outside (6a) of the flange (6) of each lashing pot (2) there are two built-in markings (9) at right angles to one another and formed by elevations and / or depressions such as grooves or the like, one of which in Extension of the rod (3) runs and the other is transverse to it (Fig. 3).

In the superstructure wall (1), a counter-marking (10) formed by a recess, such as a groove, for pot installation with a vertical or horizontal rod (3) is excluded, as shown in FIG. 5.

The conical pot jacket (7) has created good entry and exit surfaces for the lashing strap to be carried out under the rod (3).

The superstructure wall (1) is formed as a plywood panel with glass fiber-reinforced plastic layers (11) provided on both outer sides and a plurality of layers (12) of wood arranged crosswise between them, and these wood layers are glued together.

The truncated cone-shaped cutout (4) creates an enlarged contact surface in the cutout (4) for the lashing pot (2), so that the pot (2) is very good with the individual layers of wood (12) by means of the adhesive (K) can firmly connect.

The lashing pot (2), as the left half of FIG. 4 shows, can also be inserted with its flange (6) sunk into the superstructure wall (1) so that the flange outside (6a) is flush with the outside of the plastic layer (11 ) and thus wall surface (1a).

Furthermore, the pot (2) with its flange (6) can rest on the plastic layer (11) and thus on the wall surface (1a), as the right half of FIG. 4 shows.

This can be carried out optionally and depending on the thickness of the plywood wall (1).

The lashing pot (2) is inserted into the cutout (4) under pressure, whereby the adhesive (K) between the pot casing (7), pot base (5), flange (6) is firmly attached to the cutout (4) and also the plastic layer ( 11) (on the right half of Fig. 4) connects.

The lashing pots (2) are installed in the plywood wall (1) for the lashing purposes with vertical bars (3), as shown in FIG. 1. However, there is also the possibility of installing the lashing pots (2) with horizontally extending bars (3), in which case the bars (3) form supports for intermediate floors in the structure.

The markings (10, 11) on the lashing pot (2) and the plywood plate (1) are provided for these two types of installation and for correct installation.

In a preferred embodiment, the lashing pot (2) has a flange outer diameter of 76 mm, a pot opening diameter of 58 mm and a total height of 16 mm and a wall thickness of 2 mm; the rod (3) has a diameter of 9 mm as a round rod. The plywood plate (1) has a thickness of 17 mm or 20 mm.

Claims (8)

1. Lashing device in superstructure walls (1) of lorries, especially in plywood panels, which has a multiplicity of lashing pots (2) disposed one above the other at a distance apart in horizontal rows and having a centrally running bar (3) situated in each lashing pot, and the lashing pots are inserted from the inner side of the superstructure and laid in positionally fixed arrangement in cavities (4) in the superstructure wall such that they lie at least virtually flush with the wall surface (1a), characterised in that

   - each lashing pot (2) has a frustoconical pot shape which tapers towards the pot base (5), and

   - has, on the open pot side, an outer-skirting flange (6) which runs parallel to the pot base (5), and

   - is inserted, at least with its pot casing (7) and pot base (5), in a frustoconical milled recess (4) and is fastened in the milled recess (4) by an adhesive (K).
2. Lashing device according to Claim 1, characterised in that the pot casing (7) of the lashing pot (2) stands at an acute angle (α) of preferably ca. 60° to the pot base (5).
3. Lashing device according to Claim 1 or 2, characterised in that the bar (3) is of straight-line configuration over its entire length and butts with its two longitudinal ends against the inner side of the pot casing (7).
4. Lashing device according to Claim 1 or 2, characterised in that the straight bar (3) has two bent-off longitudinal ends (3a), which butt against the inner side (7a) of the pot casing (7) and form an at least virtual right-angle (β) with the pot casing (7).
5. Lashing device according to one of Claims 1 to 4, characterised in that the bar (3), which is straight or is bent-off at the end side, is configured as a round bar and runs with its outer longitudinal edge (3b) flush with the outer side (65a) of the flange.
6. Lashing device according to one of Claims 1 to 5, characterised in that the lashing pot (2) is deep-drawn from metal in one piece and the bar (3) is welded with its end faces to the inner side (7a) of the pot casing (7).
7. Lashing device according to one of Claims 1 to 5, characterised in that the lashing pot (2) with integral bar (3) consists of aluminium or zinc die-casting or of plastic.
8. Lashing device according to one of Claims 1 to 7, characterised in that on the outer side (6a) of the flange (6) of each lashing pot (2) there are provided two installation markings (9), which stand at right-angles to each other and are formed by elevations and/or indentations, such as grooves or the like, one of which runs in extension of the bar (3), and in the superstructure wall (1) a counter-marking (10) is recessed, formed by an indentation, such as a groove, for installation of a pot with vertically or horizontally running bar (3).

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